A.a single cell can identify an individual
B.it has brought down the cost of DNA testing
C.a higher level of accuracy can be acquired with a single cell
D.it needs less than 200 cells to gain a certain level of accuracy
52. The underlined word" validated" means ______.
A. confirmed
B. imagined
C. supposed
D. criticized
53. According to Ian Findlay, the new technology can ______.
A. help to keep DNA evidence fresh for decades and even centuries
B. make the process of DNA testing much more simplified
C. help to pick up DNA identities more easily
D. be widely used in five years at most
54. The last paragraph suggests that ______.
A. the immediate adopting of the technology may cause mistakes
B. the public have acknowledged the new testing technology
C. it is safe to put the new technology into use now
D. Dr Findlay is quite sure of his new technology
55. The aim of the passage is to ______.
A. praise Ian Findlay for his work
B. report a piece of interesting news
C. inform us of the wide use of DNA testing
D. tell us a recent improvement in DNA testing
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